Definition of stylolite
: a small longitudinally grooved column of the same material as the rock in which it occurs often resulting from the slipping under vertical pressure of a part capped by a shell through adjacent parts not so capped though one or more layers (as of limestone) may be affected by stylolitic structure throughout where there is no capping object
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Origin and Etymology of stylolite
International Scientific Vocabulary 1styl- + -lite
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